S
M
T
W
T
F
S
30
86°
70°
31
83°
70°
1
86°
67°
2
84°
73°
3
81°
72°
4
82°
71°
5
83°
71°
6
81°
72°
7
82°
75°
8
86°
74°
9
86°
71°
10
84°
72°
11
84°
68°
12
84°
66°
13
84°
66°
14
83°
67°
15
88°
71°
16
85°
71°
17
83°
75°
18
89°
76°
19
88°
73°
20
87°
73°
21
86°
73°
22
89°
73°
23
86°
72°
24
87°
73°
25
86°
71°
26
87°
70°
27
85°
71°
28
87°
71°
29
87°
70°
30
86°
71°
1
85°
70°
2
82°
72°
3
82°
71°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Sunset Beach
Sunset Beach's September 2026 forecast shows daily high temperatures ranging from 82° to 89°, with overnight lows between 70° and 76°. The average high for September is 86° with an average low of 72°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how September weather will actually feel in Sunset Beach. See also: October | November | December.